1. GRIEG seminar (via Zoom), Center for Theoretical Physics of Polish Academy of Sciences , two 90 mintes talk, June 1 and 15, 2021:

Title of talk 1: Geometry of rank 2 distributions via abnormal extremals: Part I beamer of talk 1 , video of talk 1

Title of talk 2:Geometry of rank 2 distributions via abnormal extremals: Part II beamer of talk 2, video of talk 2

2. Joint Mathematical Meeting (JMM) 2020, Denver, January 15-18, 2020, AMS Special Session on Geometry of Differential Equa, invited 25 minutes talk

Title of the talk: 2
-nondegenerate CR structures of hypersurface type: bigraded Tanaka
prolongation for canonical absolute parallelism and maximally symmetric
models, beamer of the talk

3. Singularity theory seminar, Universidade Federal do Ceara, Fortaleza , Brazil, two talks: June 7 and June 28, 2020

Title of talk 1: Projective
and affine equivalence of sub-Riemannian metrics: integrability,
generic rigidity, the Weyl type theorems, and separation of variables
(the de Rham type decomposition) conjecture, beamer of talk 1

Title of talk 2 :`Projective
and affine equivalence of sub-Riemannian metrics, part 2: separation on
the level of nilpotent approximation and Jacobi curves, generic
projective rigidity and Weyl type theorems. beamer of talk 2

4. Geometry and Topology seminar, Technion-Israel Institute of Technology, Haifa, Israel, June 23, 2022

Title of the talk: Morse inequalities for eigenvalue branches of generic families of self-adjoint matrices, beamer of the talk

5. 11th AIMS Conference on Dynamical Systems, Differential Equations, July 1 - 5, 2016 Orlando, 30 minutes invited talk Injectivity properties of pole placement maps of linear control systems' in the special session ``Optimal Control and Its Applications''. beamer of the talk

6. Geometry of filtered structures on manifolds: Tanaka's prolongation and beyond (a beamer presentation). , a talk on ``The 2012 Spring Texas Geometry and Topology Conference'', University of Houston, February 17 - 19, 2012 February 17 - 19, 20127.
On geometry and symmertries of nonholonomic
distributions and curves of flags (slides) , a talk on the Conference
"Differential
Geometry and Tanaka Theory: Differential System and Hypersurface Theory I
(dedicated to 60th birthday of
Professors K. Yamaguchi and R. Miyaoka), RIMS, Kyoto, Japan, January
24-28, 2011

8. On symmertries of symplectically flat distributions (slides), a talk on the Conference "Differential Geometry and Tanaka Theory: Differential System and Hypersurface Theory II (dedicated to 60th birthday of Professors K. Yamaguchi and R. Miyaoka), Hiroshima University, Hiroshima, Japan, January 29-31, 2011